:root {
  --black: #080808;
  --gold: #d6a83e;
  --gold-rgb: 214, 168, 62;
  --gold-bright: #f0c85a;
  --white: #f3f0e8;
  --white-rgb: 243, 240, 232;
  --muted: #8f8c83;
  --line: rgba(var(--white-rgb), 0.14);
  --label: 'DM Mono', monospace;
  --body: 'Manrope', sans-serif;
  --display: 'Space Grotesk', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--black);
  color: var(--white);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }

.site-shell {
  position: relative;
  max-width: 1440px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 6.25vw;
  background: var(--black);
}
.site-shell::before {
  position: absolute;
  top: 0;
  right: 11.5%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--line) 16%, var(--line) 82%, transparent);
  content: '';
  pointer-events: none;
}
.site-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 100px;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  background: var(--gold);
  color: var(--black);
}
.brand-mark svg { width: 22px; height: 22px; fill: currentColor; }
.brand-lockup { display: grid; gap: 1px; }
.brand-lockup strong { color: var(--white); font: 600 22px/1 var(--display); letter-spacing: .06em; text-transform: uppercase; }
.brand-lockup span, .header-status, .eyebrow, .visual-label, .signal-strip, .site-footer { font-family: var(--label); }
.brand-lockup span { color: var(--muted); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; }
.header-status { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(var(--gold-rgb), .12); }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(400px, .86fr); gap: 7vw; align-items: center; min-height: 620px; padding: 88px 0 86px; }
.hero-copy { position: relative; z-index: 1; max-width: 620px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 25px; color: var(--gold-bright); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow-line { display: inline-block; width: 35px; height: 1px; background: currentColor; }
h1, h2 { margin: 0; font-family: var(--display); font-weight: 500; letter-spacing: -.075em; }
h1 { font-size: clamp(4.6rem, 8.7vw, 8.3rem); line-height: .87; }
h1 em { color: var(--gold); font-style: normal; }
.hero-intro { max-width: 470px; margin: 36px 0 34px; color: #aaa79f; font-size: 16px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 27px; }
.button { display: inline-flex; align-items: center; gap: 20px; min-height: 50px; padding: 0 20px; font-size: 12px; font-weight: 700; transition: background .2s ease, color .2s ease, transform .2s ease; }
.button-primary { background: var(--gold); color: var(--black); }
.button-primary:hover, .button-primary:focus-visible { background: var(--gold-bright); transform: translateY(-2px); }
.text-link { border-bottom: 1px solid rgba(var(--gold-rgb), .7); padding-bottom: 5px; color: var(--white); font: 10px var(--label); letter-spacing: .02em; }
.text-link span, .site-footer a span { color: var(--gold-bright); padding-left: 6px; }
.text-link:hover, .text-link:focus-visible { color: var(--gold-bright); }

.hero-visual { position: relative; min-height: 450px; border: 1px solid rgba(var(--gold-rgb), .26); background: radial-gradient(circle at 51% 46%, rgba(var(--gold-rgb),.09), transparent 27%), linear-gradient(135deg, rgba(255,255,255,.03), transparent 40%); overflow: hidden; }
.hero-visual::before, .hero-visual::after { position: absolute; inset: 18px; border: 1px solid rgba(var(--white-rgb),.08); content: ''; }
.hero-visual::after { inset: auto 0 42px; border-width: 1px 0 0; }
.visual-label { position: absolute; z-index: 1; color: var(--muted); font-size: 9px; letter-spacing: .12em; }
.visual-label-top { top: 23px; left: 23px; }
.visual-label-bottom { right: 23px; bottom: 20px; color: var(--gold); }
.circuit { position: absolute; background: var(--gold); box-shadow: 0 0 18px rgba(var(--gold-rgb),.42); }
.circuit-main { top: 49%; left: 12%; width: 76%; height: 1px; }
.circuit-main::before, .circuit-main::after, .circuit-side::before { position: absolute; width: 1px; background: var(--gold); content: ''; }
.circuit-main::before { top: -92px; left: 29%; height: 92px; }
.circuit-main::after { top: 0; right: 19%; height: 98px; }
.circuit-main span, .circuit-side span { position: absolute; width: 9px; height: 9px; border: 1px solid var(--gold-bright); border-radius: 50%; background: var(--black); box-shadow: 0 0 0 4px rgba(var(--gold-rgb),.08), 0 0 13px var(--gold); }
.circuit-main span:nth-child(1) { top: -4px; left: 0; }
.circuit-main span:nth-child(2) { top: -4px; left: 29%; }
.circuit-main span:nth-child(3) { top: -4px; right: 19%; }
.circuit-side { top: 22%; right: 21%; width: 1px; height: 53%; background: rgba(var(--gold-rgb),.6); box-shadow: none; }
.circuit-side::before { top: 42%; left: 0; width: 69px; height: 1px; background: rgba(var(--gold-rgb),.6); }
.circuit-side span:nth-child(1) { top: -4px; left: -4px; }
.circuit-side span:nth-child(2) { bottom: -4px; left: -4px; }
.node { position: absolute; width: 46px; height: 46px; border: 1px solid rgba(var(--gold-rgb),.36); border-radius: 50%; }
.node::after { position: absolute; inset: 8px; border: 1px solid rgba(var(--gold-rgb),.5); border-radius: 50%; content: ''; }
.node-a { top: 16%; left: 14%; }
.node-b { top: 19%; right: 12%; width: 24px; height: 24px; }
.node-c { bottom: 15%; left: 23%; width: 20px; height: 20px; }
.node-d { right: 8%; bottom: 15%; width: 66px; height: 66px; border-color: rgba(var(--white-rgb),.18); }
.voltage { position: absolute; color: var(--gold); font: 10px var(--label); letter-spacing: .1em; }
.voltage-a { top: 35%; left: 15%; }
.voltage-b { right: 19%; bottom: 23%; font-size: 26px; }
.visual-core { position: absolute; top: 50%; left: 50%; display: grid; width: 125px; height: 125px; transform: translate(-50%, -50%); place-items: center; align-content: center; border: 1px solid var(--gold); background: var(--black); box-shadow: 0 0 0 8px var(--black), 0 0 0 9px rgba(var(--gold-rgb),.25), 0 0 35px rgba(var(--gold-rgb),.12); text-align: center; }
.core-label { color: var(--gold-bright); font: 600 23px/1 var(--display); letter-spacing: .14em; }
.core-sub { margin-top: 10px; color: var(--muted); font: 8px/1.35 var(--label); letter-spacing: .09em; }
.visual-crosshair { position: absolute; width: 15px; height: 15px; border: 1px solid var(--gold); }
.crosshair-a { top: 28%; left: 39%; border-width: 1px 0 0 1px; }
.crosshair-b { right: 32%; bottom: 27%; border-width: 0 1px 1px 0; }

.signal-strip { display: flex; align-items: center; gap: 25px; padding: 17px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.strip-separator { color: var(--gold); }
.notify-section { display: grid; grid-template-columns: minmax(250px, .9fr) minmax(350px, 1fr); gap: 8vw; padding: 112px 0 122px; }
h2 { font-size: clamp(3rem, 5.7vw, 5.5rem); line-height: .91; }
h2 span { color: var(--gold); }
.notify-content { align-self: end; max-width: 480px; padding-bottom: 4px; }
.notify-content > p:first-child { max-width: 370px; margin: 0 0 27px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.notify-form { display: flex; max-width: 480px; border-bottom: 1px solid var(--gold); }
.notify-form input { flex: 1; min-width: 0; border: 0; outline: none; background: transparent; color: var(--white); font-size: 13px; }
.notify-form input::placeholder { color: var(--muted); }
.notify-form input:focus-visible { outline: 1px solid var(--gold); outline-offset: 7px; }
.notify-form button { display: inline-flex; align-items: center; gap: 13px; padding: 15px 0 15px 15px; border: 0; background: transparent; color: var(--gold-bright); font: 10px var(--label); letter-spacing: .08em; text-transform: uppercase; }
.notify-form button:hover, .notify-form button:focus-visible { color: var(--white); }
.form-message { min-height: 19px; margin: 14px 0 0; color: var(--gold-bright); font: 10px var(--label); }
.site-footer { display: flex; justify-content: space-between; padding: 21px 0 25px; border-top: 1px solid var(--line); color: var(--muted); font-size: 9px; letter-spacing: .04em; }
.site-footer a { color: var(--white); }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--gold-bright); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 4px; }

@media (max-width: 850px) {
  .site-shell { padding: 0 7vw; }
  .site-shell::before { right: 7vw; }
  .hero { grid-template-columns: 1fr; gap: 60px; padding-top: 70px; }
  .hero-visual { min-height: 390px; max-width: 620px; }
  .notify-section { grid-template-columns: 1fr; gap: 50px; }
}
@media (max-width: 560px) {
  .site-header { min-height: 82px; }
  .header-status { font-size: 0; }
  .header-status .status-dot { width: 8px; height: 8px; }
  .hero { min-height: 0; padding: 72px 0 70px; }
  h1 { font-size: clamp(3.25rem, 18vw, 6.2rem); }
  .hero-intro { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-visual { min-height: 330px; }
  .signal-strip { flex-wrap: wrap; gap: 11px 15px; font-size: 8px; }
  .notify-section { grid-template-columns: 1fr; padding: 80px 0 90px; gap: 46px; }
  h2 { font-size: 3.5rem; }
  .site-footer { flex-wrap: wrap; gap: 13px; line-height: 1.5; }
  .site-footer span:nth-child(2) { order: 3; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
